Bussmann 170M3409 Class aR Hig...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$750.23
Bussmann 170M3409 High Speed Fuse

Bussmann 170M3409 Class aR High Speed Fuse, 50A

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Model: 170M3409
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$750.23
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Bussmann 170M3409 Class aR High Speed Fuse, 50A

The Bussmann 170M3409 Class aR High Speed Fuse delivers fast-acting semiconductor-style overcurrent protection for demanding power electronics circuits. Rated 50A RMS at 700 Vac (UL) / 690 Vac (IEC), this square body fuse is built for DC common bus, DC drive, and power converter/rectifier applications where a high 200 kAIC interrupt rating and dependable clearing performance are required. It is UL Recognized and IEC Rated, giving specifiers a Class aR device suited to both UL and IEC design standards.

Key Features

  • Amperage Rating: 50A RMS provides reliable overcurrent protection for DC bus and drive circuits.
  • Voltage Rating: Rated 700 Vac (UL) and 690 Vac (IEC) for use in both UL- and IEC-based systems.
  • Class aR Construction: A high-speed Class aR fuse engineered for fast clearing in semiconductor and power converter protection.
  • Interrupt Rating: A high 200 kAIC interrupt rating supports demanding, high fault-current environments.
  • Application-Specific Design: Purpose-built for DC common bus, DC drives, and power converter/rectifier circuits.
  • Square Body with Visual Indicator Style: Non-indicating square body (-B/- visual indicator) construction suited for flush mounting.
  • Low Watt Loss: Rated at 11W watt loss for efficient in-circuit operation.

Certifications & Compliance

  • UL Recognized
  • IEC Rated
  • CE Marked
  • RoHS Compliant

Technical Specifications

  • Amperage Rating: 50A
  • Current Rating: 50A RMS
  • Voltage Rating: 700 Vac (UL), 690 Vac (IEC)
  • Class: Class aR
  • Interrupt Rating: 200 kAIC
  • Application: DC common bus, DC drives, power converters/rectifiers
  • Fuse Indicator: Non Indicating
  • Pre Arc I2t: 77
  • Clearing I2t: Clearing at 660V: 515
  • Watt Losses: 11W
  • Product Type: Square body -B/- visual indicator
  • Product Details: Square body -B/- visual indicator
  • Mounting Method: Flush
  • Packaging Type: Standard
  • Product Length: 5.433 IN
  • Product Height: 2.087 IN
  • Product Width: .315 IN
  • Product Weight: 1.6456 LB

Typical Applications

  • DC Common Bus Protection
  • DC Drive Systems
  • Power Converters and Rectifiers
  • High Interrupt Fault-Current Circuits
  • Flush-Mount Panel Installations

Why Bussmann?

Bussmann engineers the 170M3409 as a Class aR high-speed fuse with a 200 kAIC interrupt rating, giving it the fast-clearing performance power electronics and DC drive systems depend on. Backed by UL Recognized and IEC Rated compliance, plus CE marking and RoHS compliance, it is built to support code-compliant, reliable protection in professional electrical installations.

Manufacturer Resources

Product Specs

Amperage Rating:
50A
Application:
DC common bus, DC drives, power converters/rectifiers
Class:
Class aR
Clearing I2t:
Clearing at 660V: 515
Current Rating:
50A RMS
Fuse Indicator:
Non Indicating
Interrupt Rating:
200 kAIC
Packaging Type:
Standard
Pre Arc I2t:
77
Voltage Rating:
700 Vac (UL), 690 Vac (IEC)
Watt Losses:
11W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Length:
5.433 IN
Product Details:
Square body -B/- visual indicator
Mounting Method:
Flush
Product Height:
2.087 IN
Product Weight:
1.6456 LB
Product Width:
.315 IN

Bussmann 170M3409 – Frequently Asked Questions

How fast can I get the Bussmann 170M3409 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 170M3409 come with a warranty?
Absolutely. The Bussmann 170M3409 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 170M3409?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Bussmann 170M3409 from ZenSupply?
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